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Other Clouds
- Arcus
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- Cap / banner clouds
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- Cavum (Fallstreak hole)
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
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- Velum
- Vertebratus
- Virga
- Volutus (Roll cloud)
Optical Effects
- 22° Halo
- 46° Halo
- Circumhorizon Arc
- Circumscribed halo
- Circumzenithal Arc
- Cloudbow / Fogbow
- Corona
- Crepuscular rays & shadows
- Diffuse arcs
- Green flash
- Glory
- Halos
- Helic arc
- Infralateral arc
- Iridescence
- Lower Sun Pillar
- Lower Tangent Arc
- Moonbow
- Moondogs
- Parhelic circle
- Parry antisolar arcs
- Parry arc
- Parry infralateral arc
- Parry supralateral arc
- Rainbow
- Sub parhelion
- Sub-sun
- Suncave parry arc
- Sun dog (Parhelion)
- Sun pillar
- Supernumerary bows
- Subparhelic circle
- Supralateral arc
- Upper tangent arc
- Wegener arc
A series of Cumulonimbi over WhiteFace Mountain, near Vermontville, Adirondacks, New York, US
A late afternoon thunderstorm near Vermontville, Adirondacks, New York, US
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An approaching storm system near Brisbane, Queensland, Australia
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A developing storm near Soledad, California, US
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A rainbow amidst the storm, spotted by Gabrielle's friend, Mary Morton, near L’Huisserie, France
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An eye-catching evening storm near Ronan, Montana, US
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A storm system associated with a cold front spotted over Southern Alberta, Canada
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A storm system making its presence known over São Paulo City, Brazil
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An arcus cloud, also known as a shelf cloud, ushering in a storm system near Swansea, Tasmania, Australia
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A developing storm over São Paulo City, Brazil
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Stormy skies over Argüello Córdoba, Argentina
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Cumulonimbus with an arcus outlining the leading edge of the storm, accompanied by pannus, spotted by John's friend, Will Werner, in Brazil
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Virga with a subtle rainbow spotted over the Adirondack Mountains, Vermontville, New York, US
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Following a humid day, a notable storm developed over the Tasman Sea, near Manly, New South Wales, Australia
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Pannus beneath a storm system, spotted over Los Alamos, New Mexico, US
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Cumulonimbus spotted near Weston-super-Mare, Somerset, England
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